As neither of us feel sufficiently competent to go excavating into the depths of the fan, it looks like we'll be going to the loo in the dark or leaving the door open and using the light outside to illuminate our activities. Typically, this may be the case if you have lived in a house a while before cleaning your bathroom extractor fan. Also UK bathrooms have traditionally not included power sockets, so it is common to not have any general purpose power circuits available in the room. It normally runs for a few minutes then switches itself off automatically but has now been running for several hours non-stop. ; The official wiki for webCoRE, the Web-enabled Community's own Rule Engine SmartApp. Mine doesn’t seem to be doing that correctly. I posted on the webCoRe forum this morning for some help and am awaiting a response. Well, at least at its bare minimum. Extractor fans in general also help with the safety of bathroom circuits by mitigating moisture build up from steam. A UK bathroom must be ventilated by either a window or an extractor fan If your bathroom has a toilet only, you are fine to use a window alone as your source of ventilation In new-build bathrooms with a bath and shower, mechanical ventilation is required in the form of an extractor fan. No best answer has yet been selected by Whoever. You definitely don't want to be working on the fan wiring while the electricity is still running! Powered by Discourse, best viewed with JavaScript enabled, How do I turn off a bathroom exhaust fan when humidity is below a threshold, webCoRE Wiki - Web-enabled Community's own Rule Engine, johnathan398/SmartThingsPublic/blob/master/smartapps/john-fullman/smart-humidity-fan.src/smart-humidity-fan.groovy, [RELEASE] Humidity and Temperature Management with Scheduling (homes without HVAC/thermostats / using heaters and cooling appliances / vacation home / remote homes), Turn off after motion stops but only if humidity is below a certain threshold. I had an Aeotec Multisensor and you could fiddle with the poll intervals. If your bathroom is in an area prone to accumulating harmful air contaminants, then consider installing an extractor fan. This Q & A is one of thousands posted in our Technical Expertise area, and answered on a daily basis by our Voltimum Experts. I used webcore to make a piston: If the fan is on, and the light is changed to off, wait 45 minutes then turn the fan off. Find your main electrical panel, circuit breaker, or fuse box, and turn off the circuit or remove the fuse that powers your bathroom. It will turn off the fan after 10 minutes if it was turned on manually but only if the humidity is below a set value. If you think your air quality is fine, and you want to make the fan switchable again, you should be able to easily swap the outlet back out for a switch. I personally like to mess round with code so I write my own smartapps. I have been using the X-10 sensors they are not bad batteries last a couple of months, longer on less used ones, but their timing can be unpredictible, 4 of them are quite acceptable, however 2 are about 2.5 slower than they should be. Warning: You should not continue to the following steps before turning off the bathroom fan’s electricity. The switch is a GE Zwave+ switch. Head to your circuit breaker and flip the switch marked for the bathroom fan (or all of the bathroom switches, if there's not one specifically marked for the fan). It will turn on the fan if humidity rises above a set value. Webcore is an option. If it rises too fast, indicating a hot shower, then the fan turns on. Is there something I’m missing? The logic of webCoRE follows the “If-This-Than-That” concept. Sorry, we can't find any related questions. That app and ST_Anything are a great combo. Only thing I can think of is to take down the fan fixture, disconnect the wiring, then put … I built the Piston in less than 2 minutes. Find your main electrical panel, circuit breaker, or fuse box, and turn off the circuit or remove the fuse that powers your bathroom. Not sure about the ZWave+ 14xxx series. It will turn off the fan after 10 minutes if it was turned on manually but only if the humidity is below a set value. https://raw.githubusercontent.com/MichaelStruck/SmartThingsPublic/master/smartapps/michaelstruck/smart-bathroom-ventilation.src/smart-bathroom-ventilation.groovy. Turn off the power to the fan at the main breaker panel. My landlord recently changed the extractor fan and got rid of the switch that let me turn it off for the night. In the ceiling is a small extractor fan with a halogen light in the centre. My landlord recently changed the extractor fan and got rid of the switch that let me turn it off for the night. The Wiki does an excellent job of explaining how to get it working. The former is vital because it affects the lifespan of furniture in the bathroom and provides a conducive environment for the growth of moulds which may affect persons with respiratory ailments. Has worked like a charm for 2 years now. Look at the wiring for a bathroom fan on the internet. My bathroom lights turn on with motion and turn off after 5 minutes of no motion. © AnswerBank Ltd 2000 - 2021. Cheap or poorly-installed extractor fans can be noisy. When you leave your bathroom and turn the light out, your fan will also turn off unless your fan has an over-run timer function or a humidistat. If I understand your post correctly, ST removed the ability for the device to monitor manual state changes for devices and then take action based on that change? It is pretty hands off as far as I am concerned. I built the Piston in less than 2 minutes. The below Piston can be imported using the import code. Think with Triggers, something has to happen. Hi this video is about wiring a bathroom extractor fan , wiring fan to the three pole fan switch isolator and pull cord switch. It didn't respond to the on/off switch, so I changed the switch, and yet when I turned the breaker back on, the fan was still not responding to the on/off switch. Hi all. I tried using the hard wired option also, but at least with that sensor the response time for motion was terrible as compared to the very inexpensive Iris sensors I picked up at Lowe’s a, I rolled my own using ESP-8266 and ST_Anything, its pretty snappy turning on, then I have min delay on turning off. I’m not sure where I would start to mimic the functionality of the program above. Once a best answer has been selected, it will be shown here. Bath fans vary in design, but motor replacement requires the same basic steps, no matter which brand or model you have. 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